code: def test_returns_state():
      engine = Engine(MagicMock(return_value=1))
      state = engine.run([0])
  
      assert isinstance(state, State)
  
imports: import functools
  import gc
  from unittest.mock import call, create_autospec, MagicMock
  import pytest
  from pytest import raises
  from ignite.engine import Engine, Events, State
  from ignite.engine.events import EventsList
label_desc: Use image node_id 14 for calling a global function with example usage: test_returns_state() without return types